<div class="navbar navbar-default">
    <div class="container">
		<div class="navbar-header">
			<button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
				<span class="icon-bar"></span>
				<span class="icon-bar"></span>
				<span class="icon-bar"></span>
			</button>
			<a class="navbar-brand" href="#">蘑菇通讯录</a>
		</div>
		<div class="navbar-collapse collapse">
			<ul class="nav navbar-nav">
				<li class="active"><a href="#">首页</a></li>
				<li><a href="#about">增加</a></li>
				<li class="dropdown">
					<a href="#" class="dropdown-toggle" data-toggle="dropdown">其他 <b class="caret"></b></a>
					<ul class="dropdown-menu">
						<li><a href="#">Action</a></li>
						<li><a href="#">Another action</a></li>
						<li><a href="#">Something else here</a></li>
						<li class="divider"></li>
						<li class="dropdown-header">Nav header</li>
						<li><a href="#">Separated link</a></li>
						<li><a href="#">One more separated link</a></li>
					</ul>
				</li>
			</ul>
			<form class="navbar-form navbar-left" role="search">
				<div class="form-group">
					<input type="text" class="form-control" placeholder="姓名、邮箱或者QQ">
				</div>
				<button type="submit" class="btn btn-default">搜索</button>
			</form>
			<ul class="nav navbar-nav navbar-right">
				<li><a href="#">留言</a></li>
				<li class="active"><a href="#">退出</a></li>
			</ul>
		</div>
	</div>
</div>